Bear in mind that a saltwater aquarium is more expensive and difficult to set up and maintain than freshwater even if you chose one of the best fish tanks. Some of the fish, too, can fetch eye ...

Bala sharks need a large tank because they like to school, and you must ... that will provoke it or smaller fish it will eat. The Epaulette is the next saltwater shark on our list.

These fish are small—rarely exceeding 1.5 inches—but they’re at their best in schools of at ... the upper levels of the tank. The Mandarin Dragonet is a saltwater fish known for its ...

Fish tanks are ubiquitous—found in doctor’s offices, Chinese restaurants, corporate headquarters, and in millions of homes throughout the world. Some studies report that they reduce anxiety, stress, ...